CN105508277A - Protective type voltage-stabilizing intelligent ventilation system of underground parking garage - Google Patents
Protective type voltage-stabilizing intelligent ventilation system of underground parking garage Download PDFInfo
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- CN105508277A CN105508277A CN201510962880.5A CN201510962880A CN105508277A CN 105508277 A CN105508277 A CN 105508277A CN 201510962880 A CN201510962880 A CN 201510962880A CN 105508277 A CN105508277 A CN 105508277A
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F04—POSITIVE - DISPLACEMENT MACHINES FOR LIQUIDS; PUMPS FOR LIQUIDS OR ELASTIC FLUIDS
- F04D—NON-POSITIVE-DISPLACEMENT PUMPS
- F04D27/00—Control, e.g. regulation, of pumps, pumping installations or pumping systems specially adapted for elastic fluids
- F04D27/008—Stop safety or alarm devices, e.g. stop-and-go control; Disposition of check-valves
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F24—HEATING; RANGES; VENTILATING
- F24F—AIR-CONDITIONING; AIR-HUMIDIFICATION; VENTILATION; USE OF AIR CURRENTS FOR SCREENING
- F24F11/00—Control or safety arrangements
- F24F11/0001—Control or safety arrangements for ventilation
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F24—HEATING; RANGES; VENTILATING
- F24F—AIR-CONDITIONING; AIR-HUMIDIFICATION; VENTILATION; USE OF AIR CURRENTS FOR SCREENING
- F24F11/00—Control or safety arrangements
- F24F11/30—Control or safety arrangements for purposes related to the operation of the system, e.g. for safety or monitoring
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F24—HEATING; RANGES; VENTILATING
- F24F—AIR-CONDITIONING; AIR-HUMIDIFICATION; VENTILATION; USE OF AIR CURRENTS FOR SCREENING
- F24F11/00—Control or safety arrangements
- F24F11/70—Control systems characterised by their outputs; Constructional details thereof
- F24F11/72—Control systems characterised by their outputs; Constructional details thereof for controlling the supply of treated air, e.g. its pressure
- F24F11/74—Control systems characterised by their outputs; Constructional details thereof for controlling the supply of treated air, e.g. its pressure for controlling air flow rate or air velocity
- F24F11/77—Control systems characterised by their outputs; Constructional details thereof for controlling the supply of treated air, e.g. its pressure for controlling air flow rate or air velocity by controlling the speed of ventilators
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F24—HEATING; RANGES; VENTILATING
- F24F—AIR-CONDITIONING; AIR-HUMIDIFICATION; VENTILATION; USE OF AIR CURRENTS FOR SCREENING
- F24F2110/00—Control inputs relating to air properties
- F24F2110/50—Air quality properties
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- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02B—CLIMATE CHANGE MITIGATION TECHNOLOGIES RELATED TO BUILDINGS, e.g. HOUSING, HOUSE APPLIANCES OR RELATED END-USER APPLICATIONS
- Y02B30/00—Energy efficient heating, ventilation or air conditioning [HVAC]
- Y02B30/70—Efficient control or regulation technologies, e.g. for control of refrigerant flow, motor or heating
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- Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- General Engineering & Computer Science (AREA)
- Chemical & Material Sciences (AREA)
- Combustion & Propulsion (AREA)
- Physics & Mathematics (AREA)
- Fluid Mechanics (AREA)
- Quality & Reliability (AREA)
- Life Sciences & Earth Sciences (AREA)
- Atmospheric Sciences (AREA)
- Amplifiers (AREA)
Abstract
The invention discloses a protective type voltage-stabilizing intelligent ventilation system of an underground parking garage. The system comprises a power supply, a remote monitoring unit, an air quality sensor, a trigger control circuit and an exhaust fan, wherein the air quality sensor and the trigger control circuit are respectively connected with the power supply; the exhaust fan is simultaneously connected with the remote monitoring unit and the trigger control circuit; the air quality sensor is also connected with the trigger control circuit; the trigger control circuit consists of a primary amplifying circuit, a filter circuit, a secondary amplifying circuit, a signal triggering circuit and a power control circuit, wherein the filter circuit is connected with the primary amplifying circuit; the secondary amplifying circuit is connected with the filter circuit; the signal triggering circuit is connected with the secondary amplifying circuit; the power control circuit is connected with the signal triggering circuit; a voltage stabilizing circuit is also arranged between the power supply and the trigger control circuit. The invention provides the protective type voltage-stabilizing intelligent ventilation system of the underground parking garage, and the ventilation system of the underground parking garage is more intelligent; the equipment burthen caused by long-time running is avoided; the service life of the equipment is prolonged; the power consumption of the system is reduced.
Description
Technical field
The invention belongs to building ventilation control field, specifically refer to a kind of voltage-stabilizing protection type underground parking intelligent ventilating system effectively can saving power consumption.
Background technique
Along with the development of society, automobile progressively universal, along with the increase of the automobile volume of holding per capita, need the larger underground space for parking cars when building is built, in underground parking, its air circulation is poor, and corresponding ventilation auxiliary system must be adopted in use it to be carried out to the replacing of inner air, to guarantee that its air quality can not work the mischief to the person.And existing ventilation system is all long-plays, so just greatly can increases the weight of the operation burden of equipment, lose the working life of equipment, also can consume the work of a large amount of electric energy for equipment simultaneously.
Summary of the invention
The object of the invention is to overcome the problems referred to above; a kind of voltage-stabilizing protection type underground parking intelligent ventilating system is provided, makes its ventilation system more intelligent, avoid the burden of long-play to equipment; improve the working life of equipment, save the power consumption of system.
Object of the present invention is achieved through the following technical solutions:
Voltage-stabilizing protection type underground parking intelligent ventilating system, comprises power supply and remote monitor, the air mass sensor be connected with power supply respectively and trigger control circuit, the air bells exhauster be simultaneously connected with trigger control circuit with remote monitor; Described air mass sensor is also connected with trigger control circuit; Described trigger control circuit is by one-level amplification circuit, the eliminator be connected with one-level amplification circuit, the second amplifying circuit be connected with eliminator, the signal trigger circuit be connected with second amplifying circuit, the power control circuit be connected with signal trigger circuit forms; Also mu balanced circuit is provided with between power supply and trigger control circuit.
Described one-level amplification circuit is by operational amplifier P1, minus earth, positive pole is as the input end of this circuit and the electric capacity C1 be connected with the signal output part of air mass sensor, positive pole is connected with the positive pole of electric capacity C1, the electric capacity C2 that negative pole is connected with the negative pole of electric capacity C1 after resistance R1, negative pole is connected with the negative pole of electric capacity C1, the electric capacity C3 that positive pole is connected with the positive input terminal of operational amplifier P1 after resistance R3, be serially connected in the resistance R2 between the positive input terminal of operational amplifier P1 and output terminal, one end is connected with the output terminal of operational amplifier P1, the resistance R4 that the other end is connected with the positive power source terminal of operational amplifier P1 after resistance R6, and one end is connected with eliminator, the resistance R5 that the other end is connected with the negative pole of electric capacity C3 forms, wherein, the negative pole of electric capacity C2 is connected with the negative input end of operational amplifier P1, and the negative power end of operational amplifier P1 is connected with the negative pole of electric capacity C1, the positive supply termination 5V power supply of operational amplifier P1.
The electric capacity C4 that described eliminator is connected with the tie point of resistance R6 with resistance R4 by positive pole, negative pole is connected with resistance R5 after inductance L 1, and the electric capacity C5 that positive pole is connected with the negative pole of electric capacity C4, negative pole is connected with second amplifying circuit forms.
Described second amplifying circuit is by operational amplifier P2, triode VT1, the resistance R7 that one end is connected with the base stage of triode VT1, the other end is connected with the negative power end of operational amplifier P2, and one end is connected with the emitter of triode VT1, the other end forms with the resistance R8 that the positive power source terminal of operational amplifier P2 is connected with negative input end simultaneously; Wherein, the base stage of triode VT1 is connected with the negative pole of electric capacity C5, the collector electrode of triode VT1 is connected with the positive input terminal of operational amplifier P2, the negative input end ground connection of operational amplifier P2, and the negative input end of operational amplifier P2 is connected with the tie point of inductance L 1 with resistance R5, the output terminal of operational amplifier P2 is connected with signal trigger circuit.
Described signal trigger circuit are by time-base integrated circuit IC1, triode VT2, triode VT3, one end is connected with pin 8 with the pin 4 of time-base integrated circuit IC1 simultaneously, the resistance R9 that the other end is connected with the base stage of triode VT2, one end is connected with the base stage of triode VT2, the resistance R10 that the other end is connected with the pin one of time-base integrated circuit IC1, one end is connected with the collector electrode of triode VT3, the resistance R11 that the other end is connected with the pin 8 of time-base integrated circuit IC1, positive pole is connected with the pin 5 of time-base integrated circuit IC1, the electric capacity C6 that negative pole is connected with the pin one of time-base integrated circuit IC1, one end is connected with the emitter of triode VT3, the resistance R12 that the other end is connected with the negative pole of electric capacity C6, and N pole is connected with the pin 3 of time-base integrated circuit IC1, the diode D1 that P pole is connected with the negative pole of electric capacity C6 forms, wherein, the emitter of triode VT2 is connected with the base stage of triode VT3, and the collector electrode of triode VT2 is connected with pin 6 with the pin two of time-base integrated circuit IC1 simultaneously.
Described power control circuit is by triode VT4, triode VT5, the diode D2 that N pole is connected with the pin 4 of time-base integrated circuit IC1, P pole is connected with the collector electrode of triode VT5, the relay K be arranged in parallel with diode D2, and the resistance R13 that one end is connected with the emitter of triode VT5, the other end is connected with the N pole of diode D1 forms; Wherein, the collector electrode of triode VT4 is connected with the base stage of triode VT5, the grounded-emitter connection of triode VT4, the tie point of the N pole of diode D2 and the N pole of resistance R13 and diode D1 is as the input end of trigger control circuit, and the N pole of diode D2 forms the output terminal of trigger control circuit with the tie point of the N pole of resistance R13 and diode D1 after the normally opened contact K-1 of relay K.
Described mu balanced circuit is by triode VT6, triode VT7, triode VT8, with the collector electrode of triode VT6 while of one end, the collector electrode of triode VT7 is connected with the collector electrode of triode VT8, the resistance R14 that the other end is connected with the base stage of triode VT7, N pole is connected with the base stage of triode VT7, the reference diode D3 that P pole is connected with the base stage of triode VT8, be serially connected in the resistance R15 between the base stage of triode VT8 and emitter, one end is connected with the emitter of triode VT7 with the base stage of triode VT6 simultaneously, the resistance R16 that the other end is connected with the emitter of triode VT6, positive pole is connected with the emitter of triode VT6, the electric capacity C7 that negative pole is connected with the emitter of triode VT8, and form with the resistance R17 that electric capacity C7 is arranged in parallel, wherein, collector electrode and the emitter of triode VT8 of triode VT6 form the input end of this circuit and are connected with the output terminal of power supply, and positive pole and the negative pole of electric capacity C7 form the output terminal of this circuit and be connected with the input end of trigger control circuit.
As preferably, the model of described operational amplifier P1 and operational amplifier P2 is LM324, and the model of time-base integrated circuit IC1 is NE555.
The present invention compared with prior art, has the following advantages and beneficial effect:
(1) the present invention can automatically open according to the air conditions in underground parking or close air bells exhauster, avoid and open air bells exhauster for a long time, and then prevent the long-term overload operation of air bells exhauster to the infringement of self, greatly reduce the frequency that it is safeguarded, well can also reduce the power consumption of system simultaneously, save the cost that system uses further.
(2) the present invention is provided with trigger control circuit, and the signal that can send according to air mass sensor is turned on or off automatically to the power supply of air bells exhauster, makes it only just carry out air draft when needed, well improves the intelligent of whole system.
(3) the present invention is provided with mu balanced circuit; can in the process of Power supply burning voltage; avoid the excessive normal operation affecting trigger control circuit of voltage functuation; also can better protect the use of air bells exhauster simultaneously; damage after avoiding it to be subject to voltge surge, further increase the working life of this product.
Accompanying drawing explanation
Fig. 1 is structured flowchart of the present invention.
Fig. 2 is the circuit diagram of trigger control circuit of the present invention.
Fig. 3 is the circuit diagram of mu balanced circuit of the present invention.
Embodiment
Below in conjunction with embodiment, the present invention is described in further detail, but embodiments of the present invention are not limited thereto.
Embodiment
As shown in Figure 1, voltage-stabilizing protection type underground parking intelligent ventilating system, comprises power supply and remote monitor, the air mass sensor be connected with power supply respectively and trigger control circuit, the air bells exhauster be simultaneously connected with trigger control circuit with remote monitor; Described air mass sensor is also connected with trigger control circuit; Described trigger control circuit is by one-level amplification circuit, the eliminator be connected with one-level amplification circuit, the second amplifying circuit be connected with eliminator, the signal trigger circuit be connected with second amplifying circuit, the power control circuit be connected with signal trigger circuit forms; Also mu balanced circuit is provided with between power supply and trigger control circuit.
Wherein, power acquisition 220V DC electrical source, remote monitor is desktop computer, notebook computer, panel computer, band show control screen PLC or process control machine in any one.
During use, the control end of air bells exhauster is connected with remote monitor, its power input is connected with the output terminal of trigger control circuit, when air mass sensor judges that air quality is poor by trigger control circuit is sent pulse signal notify its to air bells exhauster power make its by underground parking vitiated air discharge, when vitiated air is discharged, each gateway in parking lot and suction port enter having fresh air the gas fraction filled a vacancy, and remote monitor can cut off the work of air bells exhauster according to actual conditions, further increase the effect of its management.
As shown in Figure 2, one-level amplification circuit is by operational amplifier P1, and electric capacity C1, electric capacity C2, electric capacity C3, resistance R1, resistance R2, resistance R3, resistance R4, resistance R5, resistance R6 form.
During connection, the minus earth of electric capacity C1, positive pole as this circuit input end and be connected with the signal output part of air mass sensor, the positive pole of electric capacity C2 is connected with the positive pole of electric capacity C1, negative pole is connected with the negative pole of electric capacity C1 after resistance R1, the negative pole of electric capacity C3 is connected with the negative pole of electric capacity C1, positive pole is connected with the positive input terminal of operational amplifier P1 after resistance R3, between the positive input terminal that resistance R2 is serially connected in operational amplifier P1 and output terminal, one end of resistance R4 is connected with the output terminal of operational amplifier P1, the other end is connected with the positive power source terminal of operational amplifier P1 after resistance R6, one end is connected with eliminator, the resistance R5 that the other end is connected with the negative pole of electric capacity C3, wherein, the negative pole of electric capacity C2 is connected with the negative input end of operational amplifier P1, and the negative power end of operational amplifier P1 is connected with the negative pole of electric capacity C1, the positive supply termination 5V power supply of operational amplifier P1.
The electric capacity C4 that described eliminator is connected with the tie point of resistance R6 with resistance R4 by positive pole, negative pole is connected with resistance R5 after inductance L 1, and the electric capacity C5 that positive pole is connected with the negative pole of electric capacity C4, negative pole is connected with second amplifying circuit forms.
Described second amplifying circuit is by operational amplifier P2, triode VT1, the resistance R7 that one end is connected with the base stage of triode VT1, the other end is connected with the negative power end of operational amplifier P2, and one end is connected with the emitter of triode VT1, the other end forms with the resistance R8 that the positive power source terminal of operational amplifier P2 is connected with negative input end simultaneously; Wherein, the base stage of triode VT1 is connected with the negative pole of electric capacity C5, the collector electrode of triode VT1 is connected with the positive input terminal of operational amplifier P2, the negative input end ground connection of operational amplifier P2, and the negative input end of operational amplifier P2 is connected with the tie point of inductance L 1 with resistance R5, the output terminal of operational amplifier P2 is connected with signal trigger circuit.
Signal trigger circuit are by time-base integrated circuit IC1, and triode VT2, triode VT3, resistance R9, resistance R10, resistance R11, resistance R12, electric capacity C6, diode D1 form.
During connection, one end of resistance R9 is connected with pin 8 with the pin 4 of time-base integrated circuit IC1 simultaneously, the other end is connected with the base stage of triode VT2, one end of resistance R10 is connected with the base stage of triode VT2, the other end is connected with the pin one of time-base integrated circuit IC1, one end of resistance R11 is connected with the collector electrode of triode VT3, the other end is connected with the pin 8 of time-base integrated circuit IC1, the positive pole of electric capacity C6 is connected with the pin 5 of time-base integrated circuit IC1, negative pole is connected with the pin one of time-base integrated circuit IC1, one end of resistance R12 is connected with the emitter of triode VT3, the other end is connected with the negative pole of electric capacity C6, the N pole of diode D1 is connected with the pin 3 of time-base integrated circuit IC1, P pole is connected with the negative pole of electric capacity C6, wherein, the emitter of triode VT2 is connected with the base stage of triode VT3, and the collector electrode of triode VT2 is connected with pin 6 with the pin two of time-base integrated circuit IC1 simultaneously.
Described power control circuit is by triode VT4, triode VT5, the diode D2 that N pole is connected with the pin 4 of time-base integrated circuit IC1, P pole is connected with the collector electrode of triode VT5, the relay K be arranged in parallel with diode D2, and the resistance R13 that one end is connected with the emitter of triode VT5, the other end is connected with the N pole of diode D1 forms; Wherein, the collector electrode of triode VT4 is connected with the base stage of triode VT5, the grounded-emitter connection of triode VT4, the tie point of the N pole of diode D2 and the N pole of resistance R13 and diode D1 is as the input end of trigger control circuit, and the N pole of diode D2 forms the output terminal of trigger control circuit with the tie point of the N pole of resistance R13 and diode D1 after the normally opened contact K-1 of relay K.
During use, first the pulse signal that air mass sensor sends carries out cushioning through one-level amplification circuit and amplifies, and the noise signal in one-level amplification circuit can be carried out filtering process by eliminator, and signal pure after process feeding second amplifying circuit is amplified, pulse signal entering signal trigger circuit after amplification carry out triggering to it and judge, when signal reaches trigger condition, signal trigger circuit will send trigger signal to power control circuit and make its control relay K obtain electric, the normally opened contact K-1 obtaining electric rear relay in relay K closes, so just complete the power supply to air bells exhauster, and when pulse signal does not reach trigger condition, then air bells exhauster can not get power supply.
As shown in Figure 3, mu balanced circuit is by triode VT6, and triode VT7, triode VT8, resistance R14, resistance R15, resistance R16, resistance R17, electric capacity C7, reference diode D3 form.
During connection, one end of resistance R14 simultaneously with the collector electrode of triode VT6, the collector electrode of triode VT7 is connected with the collector electrode of triode VT8, the other end is connected with the base stage of triode VT7, the N pole of reference diode D3 is connected with the base stage of triode VT7, P pole is connected with the base stage of triode VT8, between the base stage that resistance R15 is serially connected in triode VT8 and emitter, one end of resistance R16 is connected with the emitter of triode VT7 with the base stage of triode VT6 simultaneously, the other end is connected with the emitter of triode VT6, the positive pole of electric capacity C7 is connected with the emitter of triode VT6, negative pole is connected with the emitter of triode VT8, resistance R17 and electric capacity C7 is arranged in parallel, wherein, collector electrode and the emitter of triode VT8 of triode VT6 form the input end of this circuit and are connected with the output terminal of power supply, and positive pole and the negative pole of electric capacity C7 form the output terminal of this circuit and be connected with the input end of trigger control circuit.
During use; first voltage stabilizing process is carried out through this mu balanced circuit during Power supply; Power supply is avoided to produce the correct judgement of the follow-up trigger control circuit of influence of fluctuations; to improve the accuracy that it judges; better protect Security when electrical apparatus element in trigger control circuit and air bells exhauster run simultaneously, substantially increase the working life of product.
The model of described operational amplifier P1 and operational amplifier P2 is LM324, and the model of time-base integrated circuit IC1 is NE555.
As mentioned above, just well the present invention can be realized.
Claims (8)
1. voltage-stabilizing protection type underground parking intelligent ventilating system, is characterized in that: comprise power supply and remote monitor, the air mass sensor be connected with power supply respectively and trigger control circuit, the air bells exhauster be simultaneously connected with trigger control circuit with remote monitor; Described air mass sensor is also connected with trigger control circuit; Described trigger control circuit is by one-level amplification circuit, the eliminator be connected with one-level amplification circuit, the second amplifying circuit be connected with eliminator, the signal trigger circuit be connected with second amplifying circuit, the power control circuit be connected with signal trigger circuit forms; Also mu balanced circuit is provided with between power supply and trigger control circuit.
2. voltage-stabilizing protection type underground parking according to claim 1 intelligent ventilating system, it is characterized in that: described mu balanced circuit is by triode VT6, triode VT7, triode VT8, with the collector electrode of triode VT6 while of one end, the collector electrode of triode VT7 is connected with the collector electrode of triode VT8, the resistance R14 that the other end is connected with the base stage of triode VT7, N pole is connected with the base stage of triode VT7, the reference diode D3 that P pole is connected with the base stage of triode VT8, be serially connected in the resistance R15 between the base stage of triode VT8 and emitter, one end is connected with the emitter of triode VT7 with the base stage of triode VT6 simultaneously, the resistance R16 that the other end is connected with the emitter of triode VT6, positive pole is connected with the emitter of triode VT6, the electric capacity C7 that negative pole is connected with the emitter of triode VT8, and form with the resistance R17 that electric capacity C7 is arranged in parallel, wherein, collector electrode and the emitter of triode VT8 of triode VT6 form the input end of this circuit and are connected with the output terminal of power supply, and positive pole and the negative pole of electric capacity C7 form the output terminal of this circuit and be connected with the input end of trigger control circuit.
3. voltage-stabilizing protection type underground parking according to claim 2 intelligent ventilating system, it is characterized in that: described one-level amplification circuit is by operational amplifier P1, minus earth, positive pole is as the input end of this circuit and the electric capacity C1 be connected with the signal output part of air mass sensor, positive pole is connected with the positive pole of electric capacity C1, the electric capacity C2 that negative pole is connected with the negative pole of electric capacity C1 after resistance R1, negative pole is connected with the negative pole of electric capacity C1, the electric capacity C3 that positive pole is connected with the positive input terminal of operational amplifier P1 after resistance R3, be serially connected in the resistance R2 between the positive input terminal of operational amplifier P1 and output terminal, one end is connected with the output terminal of operational amplifier P1, the resistance R4 that the other end is connected with the positive power source terminal of operational amplifier P1 after resistance R6, and one end is connected with eliminator, the resistance R5 that the other end is connected with the negative pole of electric capacity C3 forms, wherein, the negative pole of electric capacity C2 is connected with the negative input end of operational amplifier P1, and the negative power end of operational amplifier P1 is connected with the negative pole of electric capacity C1, the positive supply termination 5V power supply of operational amplifier P1.
4. voltage-stabilizing protection type underground parking according to claim 3 intelligent ventilating system; it is characterized in that: the electric capacity C4 that described eliminator is connected with the tie point of resistance R6 with resistance R4 by positive pole, negative pole is connected with resistance R5 after inductance L 1, and the electric capacity C5 that positive pole is connected with the negative pole of electric capacity C4, negative pole is connected with second amplifying circuit forms.
5. voltage-stabilizing protection type underground parking according to claim 4 intelligent ventilating system, it is characterized in that: described second amplifying circuit is by operational amplifier P2, triode VT1, the resistance R7 that one end is connected with the base stage of triode VT1, the other end is connected with the negative power end of operational amplifier P2, and one end is connected with the emitter of triode VT1, the other end forms with the resistance R8 that the positive power source terminal of operational amplifier P2 is connected with negative input end simultaneously; Wherein, the base stage of triode VT1 is connected with the negative pole of electric capacity C5, the collector electrode of triode VT1 is connected with the positive input terminal of operational amplifier P2, the negative input end ground connection of operational amplifier P2, and the negative input end of operational amplifier P2 is connected with the tie point of inductance L 1 with resistance R5, the output terminal of operational amplifier P2 is connected with signal trigger circuit.
6. voltage-stabilizing protection type underground parking according to claim 5 intelligent ventilating system, it is characterized in that: described signal trigger circuit are by time-base integrated circuit IC1, triode VT2, triode VT3, one end is connected with pin 8 with the pin 4 of time-base integrated circuit IC1 simultaneously, the resistance R9 that the other end is connected with the base stage of triode VT2, one end is connected with the base stage of triode VT2, the resistance R10 that the other end is connected with the pin one of time-base integrated circuit IC1, one end is connected with the collector electrode of triode VT3, the resistance R11 that the other end is connected with the pin 8 of time-base integrated circuit IC1, positive pole is connected with the pin 5 of time-base integrated circuit IC1, the electric capacity C6 that negative pole is connected with the pin one of time-base integrated circuit IC1, one end is connected with the emitter of triode VT3, the resistance R12 that the other end is connected with the negative pole of electric capacity C6, and N pole is connected with the pin 3 of time-base integrated circuit IC1, the diode D1 that P pole is connected with the negative pole of electric capacity C6 forms, wherein, the emitter of triode VT2 is connected with the base stage of triode VT3, and the collector electrode of triode VT2 is connected with pin 6 with the pin two of time-base integrated circuit IC1 simultaneously.
7. voltage-stabilizing protection type underground parking according to claim 6 intelligent ventilating system, it is characterized in that: described power control circuit is by triode VT4, triode VT5, the diode D2 that N pole is connected with the pin 4 of time-base integrated circuit IC1, P pole is connected with the collector electrode of triode VT5, the relay K be arranged in parallel with diode D2, and the resistance R13 that one end is connected with the emitter of triode VT5, the other end is connected with the N pole of diode D1 forms; Wherein, the collector electrode of triode VT4 is connected with the base stage of triode VT5, the grounded-emitter connection of triode VT4, the tie point of the N pole of diode D2 and the N pole of resistance R13 and diode D1 is as the input end of trigger control circuit, and the N pole of diode D2 forms the output terminal of trigger control circuit with the tie point of the N pole of resistance R13 and diode D1 after the normally opened contact K-1 of relay K.
8. voltage-stabilizing protection type underground parking according to claim 7 intelligent ventilating system, it is characterized in that: the model of described operational amplifier P1 and operational amplifier P2 is LM324, the model of time-base integrated circuit IC1 is NE555.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201510962880.5A CN105508277A (en) | 2015-12-19 | 2015-12-19 | Protective type voltage-stabilizing intelligent ventilation system of underground parking garage |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201510962880.5A CN105508277A (en) | 2015-12-19 | 2015-12-19 | Protective type voltage-stabilizing intelligent ventilation system of underground parking garage |
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| CN105508277A true CN105508277A (en) | 2016-04-20 |
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| CN201510962880.5A Withdrawn CN105508277A (en) | 2015-12-19 | 2015-12-19 | Protective type voltage-stabilizing intelligent ventilation system of underground parking garage |
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| CN204090260U (en) * | 2014-11-12 | 2015-01-07 | 绥化学院 | A kind of LED acousto-optic control drive circuit |
| CN204787060U (en) * | 2015-07-20 | 2015-11-18 | 温州职业技术学院 | Intelligence room air monitoring device |
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Application publication date: 20160420 |